Home / 13,040.05-17,997.82-8,563.68

Finding the Fourth Proportional to 13,040.05, 17,997.82 and 8,563.68

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Solution

The fourth proportional to 13,040.05, 17,997.82 and 8,563.68 is: 11,819.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040.05 : 17,997.82 = 8,563.68 : x
  2. Step 2: Convert to fraction form
    13,040.05/17,997.82 = 8,563.68/x
  3. Step 3: Cross multiply
    13,040.05x = 17,997.82 × 8,563.68
  4. Step 4: Simplify right side
    13,040.05x = 154,127,617.26
  5. Step 5: Solve for x
    x = 154,127,617.26/13,040.05
  6. Step 6: Final answer
    x = 11,819.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.